.main_content {
  width: 100%;
  height: 100%;
  background: #f5f3ff;
  border-radius: 20rpx;
}
.content {
  width: 100%;
  height: calc(100% - 140rpx);
  padding: 20rpx 80rpx 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.tabs {
  width: 100%;
}
.letter {
  width: 100%;
  height: calc(100% - 80rpx);
}
.video {
  width: 640rpx;
  height: 360rpx;
  video {
    width: 100%;
    height: 100%;
  }
}
::v-deep .u-scroll-bar {
  position: absolute;
  bottom: 0;
}
